Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 9 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 09/13/2019   19:16:40   (   0.02,-137.17) (  -0.30,-135.72)  165.47                80
 09/14/2019   07:38:03   (  -0.02,-137.17) (  -0.83,-140.90)  425.42                80
 09/15/2019   19:04:30   (   0.01,-137.15) (  -0.93,-132.76)  499.10                80
 09/16/2019   07:25:53   (  -0.01,-137.15) (  -0.21,-137.95)   91.97                80
 09/18/2019   07:11:04   (  -0.02,-137.12) (   0.46,-135.01)  240.93                80
 09/18/2019   19:32:20   (   0.02,-137.11) (   0.64,-140.16)  346.44                80
 09/20/2019   19:20:10   (   0.03,-137.08) (   0.05,-137.21)   14.70                80
 09/22/2019   19:10:40   (   0.03,-137.03) (  -0.54,-134.25)  315.98                80
 09/23/2019   07:32:05   (  -0.03,-137.02) (  -0.54,-139.45)  275.72                80
 09/25/2019   07:17:16   (  -0.03,-136.96) (   0.09,-136.50)   53.83                80